how clean this captcha use imagemagick?

[diegomage]

I read this post for clean captcha using gimp , but I need know how I could do this using imagemagick
http://pwndizzle.blogspot.com/2014/07/b ... ptcha.html




IM using this command but not work accurate

convert fbcap546.jpg -colorspace Gray -gaussian-blur 9.0 -level 0,25%,0,1 -depth 1 -paint 0.01 test.png


how I could use a method similar to this post


http://pwndizzle.blogspot.com/2014/07/b ... ptcha.html

[fmw42]

Helping to break captchas on this forum is not recommended as that may not be legal. Do you own the captcha or web site?